EP1919143A2 - Rahmenstruktur für eine in mobilen Netzen betriebene Relaisstation - Google Patents

Rahmenstruktur für eine in mobilen Netzen betriebene Relaisstation Download PDF

Info

Publication number
EP1919143A2
EP1919143A2 EP07119936A EP07119936A EP1919143A2 EP 1919143 A2 EP1919143 A2 EP 1919143A2 EP 07119936 A EP07119936 A EP 07119936A EP 07119936 A EP07119936 A EP 07119936A EP 1919143 A2 EP1919143 A2 EP 1919143A2
Authority
EP
European Patent Office
Prior art keywords
frame
allocated time
transmission
time zone
station
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP07119936A
Other languages
English (en)
French (fr)
Other versions
EP1919143A3 (de
Inventor
Dorin c/o FUJITSU LIMITED Viorel
Fraser c/o FUJITSU LIMITED Cameron
Ken c/o FUJITSU LIMITED Wong
Tamio c/o Fujitsu Limited Saito
Masato c/o FUJITSU LIMITED Okuda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Semiconductor Ltd
Original Assignee
Fujitsu Ltd
Fujitsu Semiconductor Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd, Fujitsu Semiconductor Ltd filed Critical Fujitsu Ltd
Publication of EP1919143A2 publication Critical patent/EP1919143A2/de
Publication of EP1919143A3 publication Critical patent/EP1919143A3/de
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2603—Arrangements for wireless physical layer control
    • H04B7/2606—Arrangements for base station coverage control, e.g. by using relays in tunnels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/042—Public Land Mobile systems, e.g. cellular systems
    • H04W84/047—Public Land Mobile systems, e.g. cellular systems using dedicated repeater stations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/023—Multiplexing of multicarrier modulation signals, e.g. multi-user orthogonal frequency division multiple access [OFDMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
    • H04W16/12—Fixed resource partitioning
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/26—Cell enhancers or enhancement, e.g. for tunnels, building shadow
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections

Definitions

  • Wireless communication networks have become increasingly popular and generally include a base station that provides service to a cell area located around the base station.
  • Mobile stations such as cell phones, etc.
  • OFDMA Orthogonal Frequency Division Multiple Access
  • IEEE Institute of Electrical and Electronics Engineers 802.16 standard
  • relay stations are employed for providing enhanced transmission capabilities by acting as intermediaries between mobile stations operating in the network and the base station.
  • a mobile station that is incapable of connecting directly to a base station within its cell service area may still connect indirectly to the base station by first communicating with a relay station that does have a direct link, or possibly an indirect link, to the base station.
  • Each relay station is provided with a hardware architecture for transmitting and receiving signals to and from other stations within the network.
  • each relay station is generally provided with a double transceiver for covering both a link between the relay station and a base station and a link between the relay station and a mobile station.
  • Various embodiments of the present invention provide a frame structure which includes (a) a downlink sub-frame having a first allocated time zone dedicated for transmission between the base station and relay station, a second allocated time zone dedicated for transmission between the base station and the one or more mobile stations, and a third allocated time zone dedicated for transmission between the relay station and the one or more mobile stations; and (b) an uplink sub-frame having a first allocated time zone dedicated for transmission between the one or more mobile stations and the relay station, a second allocated time zone dedicated for transmission between the one or more mobile stations and the base station, and a third allocated time zone dedicated for transmission between the relay station and the base station.
  • Various embodiments of the present invention provide a method which includes (a) dividing a downlink sub-frame of the time frame into a first allocated time zone dedicated for transmission between the base station and relay station, a second allocated time zone dedicated for transmission between the base station and the one or more mobile stations, and a third allocated time zone dedicated for transmission between the relay station and the one or more mobile stations; and (b) dividing an uplink sub-frame of the time frame into a first allocated time zone dedicated for transmission between the one or more mobile stations and the relay station, a second allocated time zone dedicated for transmission between the one or more mobile stations and the base station, and a third allocated time zone dedicated for transmission between the relay station and the base station.
  • Further embodiments provide a base station, or a relay station or a mobile station using the frame structure defined to receive and transmit information and a transmission method in each of these stations.
  • Fig. 1 is an illustration of an example of an intra-cell topology involving a relay station operating in an OFDMA network under the 802.16 standard.
  • Fig. 2 is an illustration of a frame structure for a base station operating in a mobile Orthogonal Frequency Division Multiple Access (OFDMA) network having a base station and one or more mobile stations, according to an embodiment of the present invention.
  • OFDMA Orthogonal Frequency Division Multiple Access
  • Fig. 3 is an illustration of a frame structure for a relay station operating in a mobile Orthogonal Frequency Division Multiple Access (OFDMA) network having a base station and one or more mobile stations, according to an embodiment of the present invention.
  • OFDMA Orthogonal Frequency Division Multiple Access
  • Fig. 4 is a flowchart illustrating the method of structuring a time frame for a relay station operating in a mobile Orthogonal Frequency Division Multiple Access (OFDMA) network having a base station and one or more mobile stations, according to an embodiment of the present invention.
  • OFDMA Orthogonal Frequency Division Multiple Access
  • Fig. 1 is an illustrative example of an intra-cell topology involving a relay station operating in an OFDMA network.
  • the network cell includes a base station (BS) 15, a relay station (RS) 55, a first mobile station (MS1) 25, a second mobile station (MS2) 35, and a third mobile station (MS3) 45.
  • mobile station 25 is within range of base station 15, and, therefore, can communicate directly with base station 15 through the MS1-BS link 17.
  • Mobile station 35 is within range of base station 15 and relay station 55 and, therefore, can communicate directly with base station 15 through the MS2-BS link 27, or, in the alternative, can communicate with base station 15 indirectly through relay station 55, using the MS2-RS link 77 and the RS-BS link 37.
  • Mobile station 45 is out of range of base station 15 and, therefore, can only communicate with base station 15 indirectly through relay station 55, using MS3-RS link 67 and RS-BS link 37.
  • relay station 55 In order to properly service both link 37 and link 67, relay station 55 would require two transceivers, thereby subjecting relay station 55 to significant interference between the concurrent transceiver operations within the same time frame.
  • Various embodiments of the present invention provide a frame structure for a relay station operating in a mobile Orthogonal Frequency Division Multiple Access (OFDMA) network having a base station and one or more mobile stations.
  • Various embodiments of the present invention provide a frame structure which includes a downlink sub-frame having three allocated time zones and an uplink sub-frame having three allocated time zones.
  • Various embodiments of the present invention provide a downlink sub-frame having a first allocated time zone dedicated for transmission between the base station and relay station, a second allocated time zone dedicated for transmission between the base station and the one or more mobile stations, and a third allocated time zone dedicated for transmission between the relay station and the one or more mobile stations.
  • Various embodiments of the present invention provide an uplink sub-frame having a first allocated time zone dedicated for transmission between the one or more mobile stations and the relay station, a second allocated time zone dedicated for transmission between the one or more mobile stations and the base station, and a third allocated time zone dedicated for transmission between the relay station and the base station. In this manner, interference between stations in the network can be greatly reduced and a relay station can be provided with a single, switched-transceiver architecture.
  • Fig. 1 is only an illustrative example of an intra-cell topology involving a single relay station operating in an OFDMA network.
  • the various embodiments of the present invention are not limited to an OFDMA network including only a single base station, a single relay station, and three mobile stations as illustrated in Fig. 1, but may include any wireless communication network supporting any number of base stations, relay stations, and mobile stations.
  • Figs. 2 and 3 illustrate a frame structure and traffic activity for the base station 15 and the relay station 55, respectively, operating in the mobile OFDMA network illustrated in Fig. 1, according to an embodiment of the present invention.
  • Each frame includes a downlink sub-frame and an uplink sub-frame. In order to simplify the illustration, only downlink control bursts are shown.
  • Each downlink sub-frame is divided into a first allocated time zone dedicated for transmission bursts between base station 15 and relay station 55, a second allocated time zone dedicated for transmission bursts between base station 15 and mobile stations 25, 35, and 45, and a third allocated time zone dedicated for transmission bursts between relay station 55 and mobile stations 25, 35, and 45.
  • Each uplink sub-frame is divided into a first allocated time zone dedicated for transmission bursts between one or more mobile stations 25, 35, and 45 and relay station 55, a second allocated time zone dedicated for transmission bursts between one or more mobile stations 25, 35, and 45 and base station 15, and a third allocated time zone dedicated for transmission bursts between relay station 55 and base station 15.
  • downlink bursts from base station 15 dedicated to mobile station 45, through relay station 55 will be received in frame k by relay station 55 and relayed in frame k+1 to mobile station 45.
  • relay station 55 With the assumption that no downlink bursts have been scheduled for mobile station 45, through relay station 55, in the frame k-1 (not shown), relay station 55 will transmit no downlink bursts to mobile station 45 in frame k.
  • the various embodiments of the present invention are not limited to a frame structure with a frame relevance 1 implementation, but may include a frame structure with any frame relevance implementation.
  • the downlink bursts from base station 15 dedicated to mobile station 45 in the first allocated time zone of the base station downlink sub-frame are received in the first allocated time zone of the relay station downlink sub-frame. Therefore, since no relay station activity is performed in the second allocated time zone of the relay station downlink sub-frame, this time zone may act as a time buffer between the first allocated time zone of the relay station downlink sub-frame and third allocated time zone of the relay station downlink sub-frame. In this manner, any burst received by the relay station 55 from the base station 15 can be transmitted to the mobile station 45 in the same time frame and any burst received by the relay station 55 from the mobile station 45 can be transmitted to the base station 15 in the same time frame.
  • the physical layer (PHY) and MAC configuration of the relay station determine whether the relay station can support such a frame relevance 0 implementation.
  • Various embodiments of the present invention provide for the first and third allocated time zones of the downlink sub-frame and the first and second allocated time zones of the uplink sub-frame to be subject to a dedicated allocation, for example, partially used sub-carriers (PUSC). Furthermore, various embodiments of the present invention provide for the second allocated time zone of the downlink sub-frame and the third allocated time zone of the uplink sub-frame to be subject to optional allocations.
  • PUSC partially used sub-carriers
  • the various embodiments of the present invention are not limited to a frame structure where the first and third allocated time zones of the downlink sub-frame and the first and second allocated time zones of the uplink sub-frame are subject to a dedicated allocation and the second allocated time zone of the downlink sub-frame and the third allocated time zone of the uplink sub-frame are subject to optional allocations, but may include any frame structure with any allocation type.
  • Each OFDMA frame is started with a preamble burst 102 and 202, respectively, and an allocation burst 104 and 204, respectively.
  • Allocation bursts 104 and 204 may be, for example, Mobile Application Part (MAP) bursts.
  • Successive preamble bursts 102 and allocation bursts 104 delimit single, individual time frames for the base station.
  • Successive preamble bursts 202 and allocation bursts 204 delimit single, individual time frames for the relay station.
  • the preamble burst 102 and allocation burst 104 for the base station frame are provided prior to the first allocated time zone of the downlink sub-frame, as is conventional in networks operating under the Institute of Electrical and Electronics Engineers (IEEE) 802.16e standard.
  • IEEE Institute of Electrical and Electronics Engineers
  • the preamble burst 202 and allocation burst 204 for the relay station frame are provided prior to the third allocated time zone of the downlink sub-frame.
  • the relay station frame as shown in Fig. 3, has an asymmetrical downlink/uplink structure when compared to the base station frame, as shown in Fig. 2.
  • relay station having a shared (switched) transceiver can be allowed, providing for significant cost reduction.
  • the relay station can be made capable of maintaining back ward compatibility with hardware operating under the IEEE 802.16e standard.
  • Figs. 2-3 are only illustrative of frame structures and traffic activity for a base station and a relay station in a network having single relay station, a single base station, and three mobile stations operating in an OFDMA network.
  • the various embodiments of the present invention are not limited to an OFDMA network including only a single relay station, a single base station, and three mobile stations, but may include any wireless communication network supporting any number of base stations, relay stations, and mobile stations.
  • the first allocated time zone of the downlink sub-frame can be scheduled for downlink transmissions dedicated to all of the intra-cell relay stations and the first allocation is Partially Used Sub-carriers (PUSC).
  • PUSC Partially Used Sub-carriers
  • a second allocation may be defined. The various embodiments of the present invention are not limited to these allocations, but may include any allocation structure.
  • the third allocated time zone of the downlink sub-frame and the third allocated time zone of the uplink sub-frame can be used by all the relay stations, subject to proper network management, targeting optimized intra-cell interference management.
  • the first allocation is PUSC and a subsequent allocation could be defined.
  • the various embodiments of the present invention are not limited to these allocations, but may include any allocation structure.
  • the first allocated time zone of the uplink sub-frame can be used by all intra-cell relay stations subject to the same allocation usage.
  • the first allocation is PUSC and a subsequent allocation could be defined.
  • the various embodiments of the present invention are not limited to these allocations, but may include any allocation structure.
  • Fig. 4 is a flowchart illustrating a procedure of structuring a time frame for a relay station operating in a mobile Orthogonal Frequency Division Multiple Access (OFDMA) network.
  • OFDMA Orthogonal Frequency Division Multiple Access
  • an uplink sub-frame of the time frame is divided into a first allocated time zone dedicated for transmission between the one or more mobile stations and the relay station, a second allocated time zone dedicated for transmission between the one or more mobile stations and the base station, and a third allocated time zone dedicated for transmission between the relay station and the base station.
  • the process may further provide a preamble burst and an allocation burst (MAP burst) at the beginning of the third allocated time zone of the downlink sub-frame.
  • MAP burst an allocation burst
  • the present invention relates to frame structures for relay stations acting in OFDMA networks, and in particular, 802.16 networks.
  • the present invention is not limited to any specific types of networks, and the frame structure and method of the relay station could be applied in various different types of wireless communications networks.
  • the relay station may be subject to significant interference between these concurrent transceiver operations.
  • the concurrent transmission of the transmitter of the relay station and the receiver of the relay station may lead to a severe degradation of any received signal by the relay station during that particular time frame.
  • a relay station transmitting concurrently with a related anchor base station would cause a severe degradation of any signal received by a mobile station or another relay station located within the overlapping service area.
  • the present invention relates to the IEEE 802.16 standard, which includes its amendments and extensions, such as, for example, IEEE 802.16e and IEEE 802.16j.
  • the IEEE 802.16 standard is incorporated herein by reference in its entirety.
  • the invention also provides a computer program or a computer program product for carrying out any of the methods described herein, and a computer readable medium having stored thereon a program for carrying out any of the methods described herein.
  • a computer program embodying the invention may be stored on a computer-readable medium, or it could, for example, be in the form of a signal such as a downloadable data signal provided from an Internet website, or it could be in any other form.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)
EP07119936A 2006-11-03 2007-11-02 Rahmenstruktur für eine in mobilen Netzen betriebene Relaisstation Withdrawn EP1919143A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US86418306P 2006-11-03 2006-11-03
US11/927,035 US7990906B2 (en) 2006-11-03 2007-10-29 Frame structure for a relay station operating in mobile networks

Publications (2)

Publication Number Publication Date
EP1919143A2 true EP1919143A2 (de) 2008-05-07
EP1919143A3 EP1919143A3 (de) 2011-04-13

Family

ID=39125263

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07119936A Withdrawn EP1919143A3 (de) 2006-11-03 2007-11-02 Rahmenstruktur für eine in mobilen Netzen betriebene Relaisstation

Country Status (4)

Country Link
US (1) US7990906B2 (de)
EP (1) EP1919143A3 (de)
JP (1) JP2008178074A (de)
KR (1) KR100943129B1 (de)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009149565A1 (en) 2008-06-12 2009-12-17 Nortel Networks Limited Method and system using relays with aggregated spectrum
WO2010039739A3 (en) * 2008-09-30 2010-07-08 Qualcomm Incorporated Techniques for supporting relay operation in wireless communication systems
WO2010149213A1 (en) 2009-06-24 2010-12-29 Nokia Siemens Networks Oy Network element for changing the timeslot type according to the received information
GB2478810A (en) * 2009-12-31 2011-09-21 Intel Corp Distributed simultaneous transmit and receive relay station
WO2011163021A1 (en) * 2010-06-21 2011-12-29 Alcatel-Lucent Usa Inc. Method of uplink control channel allocation for a relay backhaul link
CN102449929A (zh) * 2009-04-06 2012-05-09 三星电子株式会社 用于高级中继操作的控制信道和数据信道的设计
US20130058304A1 (en) * 2010-05-11 2013-03-07 Lg Electronics Inc. Method and device for receiving downlink signals
EP2523488A4 (de) * 2010-01-08 2013-06-12 Ntt Docomo Inc Mobiles kommunikationssystem und funkbasisstation
US9203501B2 (en) 2008-10-24 2015-12-01 Huawei Technologies Co., Ltd. Relay transmission method and apparatus
US9203564B2 (en) 2008-10-20 2015-12-01 Qualcomm Incorporated Data transmission via a relay station in a wireless communication system
US20170150481A1 (en) * 2015-11-23 2017-05-25 Qualcomm Incorporated Traffic scheduling in a multi-hop communications system

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8462676B2 (en) * 2006-10-17 2013-06-11 Intel Corporation Frame structure for support of large delay spread deployment scenarios
JP4983208B2 (ja) * 2006-11-07 2012-07-25 富士通株式会社 中継局、無線通信方法
US7894388B2 (en) * 2007-01-05 2011-02-22 Motorola Solutions, Inc. Method and apparatus for relay zone bandwidth allocation
CN101345544B (zh) * 2007-07-09 2012-10-10 电信科学技术研究院 一种采用支持Relay的帧结构进行无线传输的方法和系统
US8229449B2 (en) * 2007-12-21 2012-07-24 Samsung Electronics Co., Ltd. Method and system for allocating subcarrier frequency resources for a relay enhanced cellular communication system
US8259630B2 (en) * 2007-12-21 2012-09-04 Samsung Electronics Co., Ltd. Method and system for subcarrier allocation in relay enhanced cellular systems with resource reuse
US8428608B2 (en) * 2007-12-21 2013-04-23 Samsung Electronics Co., Ltd. Method and system for resource allocation in relay enhanced cellular systems
KR101400715B1 (ko) * 2008-04-02 2014-05-29 연세대학교 산학협력단 협력 전송 기법 및 네트워크 코딩 전송 기법을 이용한 통신장치 및 그 방법
KR101527978B1 (ko) * 2008-08-06 2015-06-18 엘지전자 주식회사 기지국과 중계기 사이의 서브프레임을 사용하여 통신하는 방법 및 장치
US8355734B2 (en) 2008-08-07 2013-01-15 Apple Inc. Wireless system
JP5246263B2 (ja) * 2008-09-11 2013-07-24 富士通株式会社 無線中継システム、及び無線フレームの利用方法
KR101527977B1 (ko) * 2008-10-27 2015-06-15 엘지전자 주식회사 무선통신 시스템에서 중계기의 동작 방법
KR101075964B1 (ko) * 2009-02-02 2011-10-21 아주대학교산학협력단 통신 시스템에서 다중 링크 중계 장치 및 방법
US8301177B2 (en) 2009-03-03 2012-10-30 Intel Corporation Efficient paging operation for femtocell deployment
US20100260113A1 (en) * 2009-04-10 2010-10-14 Samsung Electronics Co., Ltd. Adaptive resource allocation protocol for newly joining relay stations in relay enhanced cellular systems
US8811262B2 (en) 2009-06-08 2014-08-19 Lg Electronics Inc. Method in which a relay allocates carriers on a backhaul link and an access link in a multi-carrier wireless communication system
WO2011019223A2 (en) * 2009-08-12 2011-02-17 Lg Electronics Inc. Relay station and method of relay station transmitting backhaul uplink signal
KR20110031111A (ko) * 2009-09-18 2011-03-24 엘지전자 주식회사 중계국을 포함하는 무선 통신 시스템에서 프레임을 설정하는 방법 및 장치
CN102055518A (zh) * 2009-10-30 2011-05-11 中兴通讯股份有限公司 一种子帧定时的方法及系统
KR101781356B1 (ko) * 2011-01-28 2017-09-25 삼성전자주식회사 무선통신 시스템에서 고립된 단말을 지원하는 방법 및 장치
EP2696521B1 (de) * 2011-04-04 2019-11-06 LG Electronics Inc. Verfahren und vorrichtung zur übertragung von uplink-steuerungsinformationen in einem drahtlosen kommunikationssystem

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100657506B1 (ko) * 2003-10-30 2006-12-13 한국전자통신연구원 Ｏｆｄｍａ 방식을 사용하는 무선 통신 시스템의 하향링크 프레임 구성방법
WO2005055447A1 (ja) * 2003-12-01 2005-06-16 Matsushita Electric Industrial Co., Ltd. 受信装置及び受信方法
EP1700404B8 (de) 2003-12-30 2009-12-02 Nokia Corporation Asymmetrischer datenverbindung kommunikationssystem mit relaisstations
JP4652846B2 (ja) 2004-03-11 2011-03-16 パナソニック株式会社 通信端末装置および通信中継方法
KR101048960B1 (ko) * 2004-11-01 2011-07-12 에스케이 텔레콤주식회사 Ｏｆｄｍ-ｔｄｄ방식의 와이브로 시스템에서 기지국과중계기 간의 신호전달 지연시간 보상을 위한 광 중계기 및광 중계기의 신호전달 지연시간 보상 스위칭 타이밍 신호생성 방법
KR100866334B1 (ko) * 2005-09-29 2008-10-31 삼성전자주식회사 다중홉 릴레이 셀룰러 네트워크에서 다중 링크를 지원하기위한 장치 및 방법
KR100893832B1 (ko) * 2005-10-18 2009-04-17 삼성전자주식회사 두 개의 주파수 대역을 사용하는 다중 홉 릴레이 방식의셀룰러 네트워크에서 다중 링크를 지원하기 위한 장치 및방법
US8774019B2 (en) 2005-11-10 2014-07-08 Apple Inc. Zones for wireless networks with relays
JP4899087B2 (ja) * 2006-03-24 2012-03-21 富士通株式会社 伝送システム

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009149565A1 (en) 2008-06-12 2009-12-17 Nortel Networks Limited Method and system using relays with aggregated spectrum
US9686061B2 (en) 2008-06-12 2017-06-20 Apple Inc. Method and system using relays with aggregated spectrum
EP2286626A4 (de) * 2008-06-12 2012-03-14 Nortel Networks Ltd Verfahren und system zur verwendung von relais mit aggregiertem spektrum
US8804598B2 (en) 2008-06-12 2014-08-12 Apple Inc. Method and system using relays with aggregated spectrum
WO2010039739A3 (en) * 2008-09-30 2010-07-08 Qualcomm Incorporated Techniques for supporting relay operation in wireless communication systems
US9294219B2 (en) 2008-09-30 2016-03-22 Qualcomm Incorporated Techniques for supporting relay operation in wireless communication systems
US8971241B2 (en) 2008-09-30 2015-03-03 Qualcolmm Incorporated Techniques for supporting relay operation in wireless communication systems
US9203564B2 (en) 2008-10-20 2015-12-01 Qualcomm Incorporated Data transmission via a relay station in a wireless communication system
US9203501B2 (en) 2008-10-24 2015-12-01 Huawei Technologies Co., Ltd. Relay transmission method and apparatus
CN103888998A (zh) * 2009-04-06 2014-06-25 三星电子株式会社 通信系统中的中继站、基站、通信系统及中继通信方法
CN102449929A (zh) * 2009-04-06 2012-05-09 三星电子株式会社 用于高级中继操作的控制信道和数据信道的设计
CN102449929B (zh) * 2009-04-06 2015-11-25 三星电子株式会社 用于无线通信网络的中继站、无线通信系统及中继通信方法
US8929303B2 (en) 2009-04-06 2015-01-06 Samsung Electronics Co., Ltd. Control and data channels for advanced relay operation
WO2010149213A1 (en) 2009-06-24 2010-12-29 Nokia Siemens Networks Oy Network element for changing the timeslot type according to the received information
US8958358B2 (en) 2009-06-24 2015-02-17 Nokia Siemens Networks Oy Network element for changing the timeslot type according to the received information
GB2478810A (en) * 2009-12-31 2011-09-21 Intel Corp Distributed simultaneous transmit and receive relay station
GB2478810B (en) * 2009-12-31 2012-03-21 Intel Corp Distributed simultaneous transmit and receive relay system
US8913545B2 (en) 2010-01-08 2014-12-16 Ntt Docomo, Inc. Mobile communication system and radio base station
US9001705B2 (en) 2010-01-08 2015-04-07 Ntt Docomo, Inc. Mobile communication system and radio base station
EP2523488A4 (de) * 2010-01-08 2013-06-12 Ntt Docomo Inc Mobiles kommunikationssystem und funkbasisstation
RU2517689C2 (ru) * 2010-01-08 2014-05-27 Нтт Докомо, Инк. Система мобильной связи и базовая радиостанция
US8958382B2 (en) * 2010-05-11 2015-02-17 Lg Electronics Inc. Method and device for receiving downlink signals
US20130058304A1 (en) * 2010-05-11 2013-03-07 Lg Electronics Inc. Method and device for receiving downlink signals
WO2011163021A1 (en) * 2010-06-21 2011-12-29 Alcatel-Lucent Usa Inc. Method of uplink control channel allocation for a relay backhaul link
CN103109472A (zh) * 2010-06-21 2013-05-15 阿尔卡特朗讯 用于中继回程链路的上行链路控制信道分配的方法
US20170150481A1 (en) * 2015-11-23 2017-05-25 Qualcomm Incorporated Traffic scheduling in a multi-hop communications system
US10694498B2 (en) * 2015-11-23 2020-06-23 Qualcomm Incorporated Traffic scheduling in a multi-hop communications system

Also Published As

Publication number Publication date
US20080107062A1 (en) 2008-05-08
KR100943129B1 (ko) 2010-02-18
US7990906B2 (en) 2011-08-02
EP1919143A3 (de) 2011-04-13
KR20080040616A (ko) 2008-05-08
JP2008178074A (ja) 2008-07-31

Similar Documents

Publication Publication Date Title
EP1919143A2 (de) Rahmenstruktur für eine in mobilen Netzen betriebene Relaisstation
US20220353920A1 (en) Method and apparatus for control resource set configuration for 5g next radio system
US9801160B2 (en) Method for allocating reference signals of a backhaul link in a relay communication system, and method and apparatus for transmitting/receiving data using the same
US8218469B2 (en) Wireless relay communication system and method
CN102388545B (zh) 在中继通信系统中的信号发送方法和装置
US11564235B2 (en) Dynamic indication of the TCI/QCL for dynamic coresets
US11729802B2 (en) Techniques for addressing IAB node switching time
US20100290372A1 (en) Method for multiple tdd systems coexistence
WO2021142754A1 (en) Method and apparatus for uplink transmission
CN115066950A (zh) 一种资源的配置方法及网络设备
US20250324415A1 (en) Methods and apparatuses for signaling framework for flexible beam management
EP4598104A1 (de) Vorrichtung und verfahren zur ressourceneinstellung in einem drahtloskommunikationssystem
WO2012165067A1 (ja) 無線リソース割当方法及び無線リソース割当装置、並びに通信システム
EP4615144A2 (de) Verfahren und vorrichtungen zum empfangen und senden von informationen
EP4510747A1 (de) Verfahren zum betrieb einer vorrichtung in einem drahtloskommunikationssystem und vorrichtung mit verwendung des verfahrens
US20240057191A1 (en) Method and device for receiving and transmitting information
US11770166B2 (en) Dynamic scheduling of user equipment (UE) antenna resources
KR20250037750A (ko) 정보를 전송 및 수신하기 위한 방법 및 장치
JP7755649B2 (ja) 端末、無線通信システム及び無線通信方法
EP4598217A1 (de) Verfahren zur durchführung von kommunikation in einem drahtloskommunikationssystem und vorrichtung dafür
US20250055610A1 (en) Method for configuring resources, terminal, and network device
WO2020030255A1 (en) Reducing dmrs overhead
EP4572213A1 (de) Verfahren zur kommunikation und vorrichtung dafür in einem drahtloskommunikationssystem
CN119111051A (zh) 无线通信系统中的装置的操作方法及利用所述方法的装置
US10447456B2 (en) Method for limiting spurious emission and user equipment performing the method

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK RS

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: FUJITSU MICROELECTRONICS LIMITED

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: FUJITSU SEMICONDUCTOR LIMITED

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

REG Reference to a national code

Ref country code: DE

Ref legal event code: R079

Free format text: PREVIOUS MAIN CLASS: H04L0012560000

Ipc: H04W0072040000

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK RS

RIC1 Information provided on ipc code assigned before grant

Ipc: H04W 84/04 20090101ALN20110304BHEP

Ipc: H04W 72/04 20090101AFI20110304BHEP

AKY No designation fees paid
REG Reference to a national code

Ref country code: DE

Ref legal event code: R108

REG Reference to a national code

Ref country code: DE

Ref legal event code: R108

Effective date: 20111221

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20111014